1. (2021八下·哈尔滨开学考) 从A-G选项中选出能填入空白处的最佳选项补全对话。（选项中有两项是多余的）

A. I want to know if you have four days' tours. B. It's OK. C. When are you going to take the tour? D. Could you give me some help? E. I think we'll take the self-service. F. I'll finish my school next month. G. We are going to fly there.

A: Excuse me, sir.

B: Yes. What can I do for you, young man?

A: Some of my classmates want to go to Beijing for a short visit. I'd like to look for some information about traveling.

B: We certainly do. There are quite many such tours. What places are you going to visit?

A: Well, we are going to visit some famous places such as the Great Wall, the Summer Palace and so on.

B: They are all places of great interest in Beijing.

A: Well, today is June 6. And we still have twenty more days before finishing the final exam. We will be free the day after that.

B: Oh, I see. There are two kinds of tours: package(全包式) and self-service (自助式).

A:  

B: All right. Here's the information about the tour and it will help you.

A: Thank you very much.  

B: You are welcome.